Resin composition, adhesive member, and display device including the adhesive member

Abstract

A resin composition includes at least one first monomer containing one or two polymerizable unsaturated groups per monomer unit, at least one sub polymer having a weight average molecular weight in a range of about 5,000 to about 40,000 and derived from a second monomer containing two or more polymerizable unsaturated groups per monomer unit, a benzotriazole-based UV absorber, a diprenyl glycerin ether, and at least one photoinitiator containing a bisacylphosphine oxide group.

What is claimed is: 
     
         1 . A resin composition comprising:
 at least one first monomer containing one or two polymerizable unsaturated groups per monomer unit;   at least one sub polymer having a weight average molecular weight in a range of about 5,000 to about 40,000 and derived from a second monomer containing two or more polymerizable unsaturated groups per monomer unit;   a benzotriazole-based UV absorber;   a diprenyl glycerin ether; and   at least one photoinitiator containing a bisacylphosphine oxide group.   
     
     
         2 . The resin composition of  claim 1 , wherein after photocuring, the resin composition has a thickness in a range of about 190 μm to about 210 μm, and
 the resin composition has a transmittance of greater than about 0% and less than or equal to about 5% for light in a wavelength range of about 405 nm or less. 
 
     
     
         3 . The resin composition of  claim 1 , wherein after photocuring, the resin composition has a thickness in a range of about 40 μm to about 60 μm, and
 the resin composition has a transmittance of greater than about 0% and less than or equal to about 15% for light in a wavelength range of about 405 nm or less. 
 
     
     
         4 . The resin composition of  claim 1 , wherein a content of the benzotriazole-based UV absorber is in a range of about 0.5 wt % to about 2 wt % with respect to a total content of the resin composition. 
     
     
         5 . The resin composition of  claim 1 , wherein a content of the diprenyl glycerin ether is in a range of about 0.1 wt % to about 1 wt % with respect to a total content of the resin composition. 
     
     
         6 . The resin composition of  claim 1 , wherein the first monomer comprises a (meth)acrylate monomer. 
     
     
         7 . The resin composition of  claim 1 , wherein the first monomer comprises a first sub-monomer containing one polymerizable unsaturated group per monomer unit and a second sub-monomer containing two polymerizable unsaturated groups per monomer unit. 
     
     
         8 . The resin composition of  claim 1 , wherein the first monomer comprises at least one selected from 2-ethylhexyl acrylate (2-EHA), 4-hydroxybutyl acrylate (4-HBA-LT), 2-ethylhexyl-diglycol acrylate (EHDG-AT), tetrahydrofurfuryl acrylate (THF-A), isobornyl acrylate (IBXA), isodecyl acrylate (IDAA), and 1,9-nonanediol diacrylate (NDDA). 
     
     
         9 . The resin composition of  claim 1 , wherein the sub polymer comprises a urethane (meth)acrylate oligomer. 
     
     
         10 . The resin composition of  claim 1 , wherein the photoinitiator comprises bis(2,4,6-trimethylbenzoyl)phenyl phosphine oxide. 
     
     
         11 . The resin composition of  claim 1 , wherein the resin composition is providable through inkjet printing or dispensing. 
     
     
         12 . An adhesive member comprising a polymer derived from a resin composition,
 wherein the resin composition includes:
 at least one first monomer containing one or two polymerizable unsaturated groups per monomer unit; 
 at least one sub polymer having a weight average molecular weight in a range of about 5,000 to about 40,000 and derived from a second monomer containing two or more polymerizable unsaturated groups per monomer unit; 
 a benzotriazole-based UV absorber; 
 a diprenyl glycerin ether; and 
 at least one photoinitiator containing a bisacylphosphine oxide group. 
   
     
     
         13 . The adhesive member of  claim 12 , wherein the adhesive member has a thickness in a range of about 190 μm to about 210 μm, and
 the adhesive member has a transmittance of greater than about 0% and less than or equal to about 5% for light in a wavelength range of about 405 nm or less. 
 
     
     
         14 . The adhesive member of  claim 12 , wherein the adhesive member has a thickness in a range of about 40 μm to about 60 μm, and
 the adhesive member has a transmittance of greater than about 0% and less than or equal to about 15% for light in a wavelength range of about 405 nm or less. 
 
     
     
         15 . The adhesive member of  claim 12 , wherein the adhesive member has a thickness in a range of about 30 μm to about 300 μm. 
     
     
         16 . The adhesive member of  claim 12 , wherein a content of the benzotriazole-based UV absorber is in a range of about 0.5 wt % to about 2 wt % with respect to a total content of the resin composition. 
     
     
         17 . The adhesive member of  claim 12 , wherein a content of the diprenyl glycerin ether is in a range of about 0.1 wt % to about 1 wt % with respect to a total content of the resin composition. 
     
     
         18 . The adhesive member of  claim 12 , wherein the first monomer comprises a first sub-monomer containing one polymerizable unsaturated group per monomer unit and a second sub-monomer containing two polymerizable unsaturated groups per monomer unit. 
     
     
         19 . The adhesive member of  claim 12 , wherein the first monomer comprises at least one selected from 2-ethylhexyl acrylate (2-EHA), 4-hydroxybutyl acrylate (4-HBA-LT), 2-ethylhexyl-diglycol acrylate (EHDG-AT), tetrahydrofurfuryl acrylate (THF-A), isobornyl acrylate (IBXA), isodecyl acrylate (IDAA), and 1,9-nonanediol diacrylate (NDDA). 
     
     
         20 . The adhesive member of  claim 12 , wherein the sub polymer comprises a urethane (meth)acrylate oligomer. 
     
     
         21 . The adhesive member of  claim 12 , wherein the photoinitiator comprises bis(2,4,6-trimethylbenzoyl)phenyl phosphine oxide. 
     
     
         22 . A display device comprising:
 a display panel;   a window disposed on the display panel; and   an adhesive member disposed between the display panel and the window and including a polymer derived from a resin composition,   wherein the resin composition includes:
 at least one first monomer containing one or two polymerizable unsaturated groups per monomer unit; 
 at least one sub polymer having a weight average molecular weight in a range of about 5,000 to about 40,000 and derived from a second monomer containing two or more polymerizable unsaturated groups per monomer unit; 
 a benzotriazole-based UV absorber; 
 a diprenyl glycerin ether; and 
 at least one photoinitiator containing a bisacylphosphine oxide group. 
   
     
     
         23 . The display device of  claim 22 , wherein the adhesive member has a thickness in a range of about 190 μm to about 210 μm, and
 the adhesive member has a transmittance of greater than about 0% and less than or equal to about 5% for light in a wavelength range of about 405 nm or less. 
 
     
     
         24 . The display device of  claim 22 , wherein when the adhesive member has a thickness of about 40 μm to about 60 μm, the adhesive member has a transmittance of greater than about 0% and less than or equal to about 15% for light in a wavelength range of about 405 nm or less. 
     
     
         25 . The display device of  claim 22 , wherein the adhesive member has a thickness in a range of about 30 μm to about 300 μm. 
     
     
         26 . The display device of  claim 22 , wherein
 a content of the benzotriazole-based UV absorber is in a range of about 0.5 wt % to about 2 wt % with respect to a total content of the resin composition, and   a content of the diprenyl glycerin ether is in a range of about 0.1 wt % to about 1 wt % with respect to the total content of the resin composition.   
     
     
         27 . The display device of  claim 22 , wherein the first monomer comprises a first sub-monomer containing one polymerizable unsaturated group per monomer unit and a second sub-monomer containing two polymerizable unsaturated groups per monomer unit. 
     
     
         28 . The display device of  claim 22 , wherein the first monomer comprises at least one selected from 2-ethylhexyl acrylate (2-EHA), 4-hydroxybutyl acrylate (4-HBA-LT), 2-ethylhexyl-diglycol acrylate (EHDG-AT), tetrahydrofurfuryl acrylate (THF-A), isobornyl acrylate (IBXA), isodecyl acrylate (IDAA), and 1,9-nonanediol diacrylate (NDDA). 
     
     
         29 . The display device of  claim 22 , wherein the sub polymer comprises a urethane (meth)acrylate oligomer. 
     
     
         30 . The display device of  claim 22 , wherein the photoinitiator comprises bis(2,4,6-trimethylbenzoyl)phenyl phosphine oxide. 
     
     
         31 . The display device of  claim 22 , further comprising a light control layer disposed between the adhesive member and the window, and an optical adhesive layer disposed between the light control layer and the window,
 wherein the optical adhesive layer includes a polymer derived from the resin composition.   
     
     
         32 . The display device of  claim 22 , further comprising an input sensing part disposed between the display panel and the window,
 wherein the adhesive member is disposed between the display panel and the input sensing part or between the input sensing part and the window.